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What are the differences between tissues and organs?
Posted August 26, 2022
Answer
| Basis of differentiation | Tissues | Organs |
| Definition | Tissues are groups of specialized cells that are similar in structure and function together as a unit | Organs are made of tissues. They are a self-contained part of an organism that have a vital and very specific function in the body. |
| Components | Tissues are composed of cells that are similar in structure and function. | Organs may be composed of several different types of tissues. |
| Structure | Tissues are evenly distributed structures. | Organs are hollow structures. |
| Complexity | Tissues perform a single, relatively simple function in the body. | Organs are capable of performing different types of complex functions in the body. |
| Significance | Tissues are major structural components of organs – they form organs. | Organs are the structural components of the organ system in the body. |
| Functions | Tissues may have unique functions such as protection, movement, communication, or secretion depending on where they occur. | Every organ has a unique and vital physiological function in the body. |
| Repair | Tissues can be repaired via regeneration and fibrosis. | Repairing the tissues helps to repair the organs as well. |
| Examples | Examples include epithelial tissue, nerve tissue, muscular tissue, connective tissue, and ground tissue. | Examples include heart, lungs, kidneys, stomach, and intestines. |
Additional resources
Ontogeny of lymphoid organs and mucosal associated lymphoid tissues in meagre (Argyrosomus regius)
Cell Meter™ Fixed Cell and Tissue TUNEL Apoptosis Assay Kit *Green Fluorescence*